5-(Methylthio)-1-phenyl-1H-1,2,4-triazol-3(2H)-one CAS 42838-39-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42838-39-1 |
| Molecular Formula | C9H9N3OS |
| Molecular Weight | 207.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(Methylthio)-1-phenyl-1H-1,2,4-triazol-3(2H)-one (CAS 42838-39-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H9N3OS. Molecular weight: 207.25 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H9N3OS |
| Molecular Weight | 207.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 5-[4-(Methylthio)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1105193-84-7)
- 5-[3-(Methylthio)phenyl]-1,3,4-oxadiazol-2-amine (CAS 1105193-89-2)
- 7-Methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-6-ol, 97% (CAS 1454682-75-7)
- 1-(7-(Methylthio)benzo[d]oxazol-2-yl)ethanone (CAS 1638533-31-9)
- 1-(6-(Methylthio)benzo[d]oxazol-2-yl)ethanone (CAS 1638533-33-1)
- 1-(5-(Methylthio)benzo[d]oxazol-2-yl)ethanone (CAS 1803742-39-3)
- 1-(2-(Methylthio)benzo[d]oxazol-4-yl)ethanone (CAS 1806425-56-8)
- 1-(4-(Methylthio)benzo[d]oxazol-2-yl)ethanone (CAS 1807098-41-4)
Recommended Standards
- 5-(Hydroxymethyl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 642462-65-5)
- 5,6,7,8-Tetrahydro[1]benzothieno[2,3-d]-1,2,3-triazin-4(1H)-one (CAS 38359-86-3)
- 5-(3-Methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 419540-45-7)
- (1R)-1-(1-Methyl-1h-pyrazol-4-yl)ethan-1-ol (CAS 1306728-57-3)
- (S)-Methyl 3-amino-2,3-dihydro-1H-indene-5-carboxylate (CAS 1213213-26-3)
- 6-(2,2-Difluoropropyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 2163772-41-4)
- 2,3,4,4A,9,9a-hexahydro-1H-carbazol-7-amine (CAS 478259-40-4)
- Methyl (2,2,2-trifluoroethylthio)acetate (CAS 675-81-0)
- Ethyl 4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate (CAS 772317-09-6)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com